[Webkit-unassigned] [Bug 112488] REGRESSION (r145854): Mongolian characters are not upright in vertical writing mode

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=112488





--- Comment #54 from Enrica Casucci <enrica at apple.com>  2013-06-20 14:04:29 PST ---
(In reply to comment #53)
> Created an attachment (id=204971)
 --> (https://bugs.webkit.org/attachment.cgi?id=204971&action=review) [details]
> Webkit on windows OK

You are correct. The problem does not occur on Windows, because the bug is specific of the Mac complex path for text drawing. The exclusion from rotation based on UTR#50 is correct, but the code in the complex text drawing path fails to handle correctly the case of fonts with vertical glyphs.
I'm pushing back on your fix, simply because it fixes the problem for mongolian characters but leaves it broken for all the fonts that have vertical glyphs for characters that should not be rotated.

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